Diogenes Laertius (c. 200)
Liu Hong (fl. 178-187)
Wang Fan (217-257)
Diophantus of Alexandria (c. 250?)
Sun Zi (c. 250?)
Zhao Shuang (Jun Qing) (c. 260)
Liu Hui (c. 263)
Porphyry (c. 234-c. 305) (Malchus the Tyrian, Porphyrius)
Anatolius of Alexandria (fl. c. 269)
Sporus (c. 280)
Iamblichus (c. 250-c. 350)
Xiahou Yang (c. 350?)
The Chinese join the fray!
Now while this isnt the first instance of Chinese contributors to mathematics, it is the biggest!
This great trend continues for hundreds of years. When all humans have a chance of contributing to something, awesome things can happen.